diff --git a/include/llvm/Analysis/IntervalPartition.h b/include/llvm/Analysis/IntervalPartition.h
index df7313f18f3..bce84be2f4f 100644
--- a/include/llvm/Analysis/IntervalPartition.h
+++ b/include/llvm/Analysis/IntervalPartition.h
@@ -33,8 +33,8 @@ namespace llvm {
 //
 // IntervalPartition - This class builds and holds an "interval partition" for
 // a function.  This partition divides the control flow graph into a set of
-// maximal intervals, as defined with the properties above.  Intuitively, a
-// BasicBlock is a (possibly nonexistent) loop with a "tail" of non looping
+// maximal intervals, as defined with the properties above.  Intuitively, an
+// interval is a (possibly nonexistent) loop with a "tail" of non looping
 // nodes following it.
 //
 class IntervalPartition : public FunctionPass {